package com.payment.utils.sequence;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * 字符串帮助类
 * @author lipei
 *
 */
public class StringHelper {

	/**
	 * 判断是否为空
	 * @param s
	 * @return
	 */
	public static boolean isEmpty(String s){
		if(s==null||"".equals(s.trim())){
			return true;
		}
		return false;
	}
	/***
	 * 根据指定的正则表达式替换字符串内容
	 * @param content
	 * @param pattern
	 * @return
	 */
	public static String replaceAll(String content,String pattern,String targetStr){
		if(content==null||pattern==null){
			return content;
		}
		Pattern p = Pattern.compile(pattern);
		Matcher m = p.matcher(content);
		content = m.replaceAll(targetStr);
		return content;
	}
	
}

